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NVD Vulnerability Details :

CVE-2020-27780

Analyzed

Source-secalert@redhat.com

Published At-18 Dec, 2020 | 00:15

Updated At-28 Dec, 2020 | 19:11

A flaw was found in Linux-Pam in versions prior to 1.5.1 in the way it handle empty passwords for non-existing users. When the user doesn't exist PAM try to authenticate with root and in the case of an empty password it successfully authenticate.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary	2.0	10.0	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C

Type: Primary

Version: 3.1

Base score: 9.8

Base severity: CRITICAL

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Type: Primary

Version: 2.0

Base score: 10.0

Base severity: HIGH

Vector:

AV:N/AC:L/Au:N/C:C/I:C/A:C

CPE Matches

linux-pam>>linux-pam>>Versions from 1.5.0(inclusive) to 1.5.1(exclusive)

cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-287	Primary	secalert@redhat.com

CWE ID: CWE-287

Type: Primary

Source: secalert@redhat.com

References

Hyperlink	Source	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1901094	secalert@redhat.com	Issue Tracking Third Party Advisory

Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1901094

Source: secalert@redhat.com

Resource:

Issue Tracking

Third Party Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History